This is a simple skid-steer 4WD using power functions elements including 2 XL motors, 1 battery box, 1 receiver and it can be built in under 5 minutes.
Each side of the wheels is controlled by 1 XL motor and steering is accomplished by turning both motors in opposite directions, just like the way you drive a tank...
The car tends to jerk a lot while turning due to the nature of skid-steer architecture but i had a lot of fun with it, especially with the reaction i get from my sister's dog when i drive this thing around right in front of her ^_^
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